Explain how a heat recovery ventilation system works
What will be an ideal response?
A heat recovery ventilator uses a supply air blower to move ventilation air in and an exhaust air blower to move exhaust air out. The two air streams pass through a heat exchanger core that exchanges heat between them.
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What is the concentration of dissolved solids in the stream in mg/L just downstream of wastewater discharge?
Wastewater from a natural gas extraction process that contains 4,350 mg/L of nonreactive dissolved solids is discharged to a receiving stream at a rate of 20 m3/day. The flow rate of the stream just upstream of the wastewater discharge is 700 cubic feet per second (cfs), and the upstream dissolved solids concentration is 14 mg/L. What will be an ideal response?
Returning water temperature, along with the water flow through the evaporator, are critical variables that will impact the performance of:
A) Water-cooled units. B) Air-cooled units. C) Air conditioners. D) Chillers.
The caller name (CNAME) feature will only work if both service providers have agreed to pass on the information
Indicate whether the statement is true or false
Cabinets should be drawn using which two commands?
A. ARRAY and COPY B. TRIM and MIRROR C. MIRROR and ARRAY D. OFFSET and PROPERTIES